function noSpecs() {
    xit('has no specs');
}

if (!Array.prototype.map) {
    Array.prototype.map = function (fun /*, thisp */) {
        "use strict";

        if (this === void 0 || this === null)
            throw new TypeError();

        var t = Object(this);
        var len = t.length >>> 0;
        if (typeof fun !== "function")
            throw new TypeError();

        var res = new Array(len);
        var thisp = arguments[1];
        for (var i = 0; i < len; i++) {
            if (i in t)
                res[i] = fun.call(thisp, t[i], i, t);
        }

        return res;
    };
}

Number.isFinite = Number.isFinite || function (value) {
    return typeof value === 'number' && isFinite(value);
}